kafka: Clients authenticated with SASL/PLAIN or SASL/SCRAM can impersonate other users
Published Jul 26, 2018
6.8
MEDIUMCVSS 3.0
EPSS 2.87%
Description
In Apache Kafka 0.10.0.0 to 0.10.2.1 and 0.11.0.0 to 0.11.0.1, authenticated Kafka clients may use impersonation via a manually crafted protocol message with SASL/PLAIN or SASL/SCRAM authentication when using the built-in PLAIN or SCRAM server implementations in Apache Kafka.
Affected products
-
- Version 0.10.0.0 to 0.10.2.1StatusaffectedConstraints-
- Version 0.11.0.0 to 0.11.0.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Kafka | n/a |
|
No data.
Red Hat Fuse 7
kafka
Not affected
Red Hat JBoss Fuse 6
kafka
Will not fix
Red Hat Mobile Application Platform 4
kafka
Not affected
Red Hat OpenShift Application Runtimes
kafka
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Fuse 7 | kafka | Not affected | n/a |
| Red Hat JBoss Fuse 6 | kafka | Will not fix | n/a |
| Red Hat Mobile Application Platform 4 | kafka | Not affected | n/a |
| Red Hat OpenShift Application Runtimes | kafka | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
AV:N/AC:M/Au:S/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.87% (0.02872) | 86.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.99% (0.02985) | 85.50th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.74% (0.00742) | 70.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.81% (0.02812) | 76.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.74% (0.00742) | 71.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00146) | 52.09th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.15% (0.00146) | 50.40th | v3 (v2023.03.01) |
| Jul 20, 2023 | 0.16% (0.00157) | 51.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00191) | 54.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.63% (0.01627) | 75.90th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.63% (0.01627) | 75.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.63% (0.01627) | 73.79th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.63% (0.01627) | 52.68th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.25% (0.04249) | 74.63th | v1 |
| Jan 6, 2022 | 4.25% (0.04249) | 74.41th | v1 |
| Sep 1, 2021 | 4.25% (0.04249) | 83.49th | v1 |
| Apr 14, 2021 | 4.25% (0.04249) | 0.00th | v1 |
References (15)
- http://www.securityfocus.com/bid/104899 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-12610 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1611049 Issue Tracking
- https://github.com/advisories/GHSA-xm78-4m3g-7wm7 Advisory
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f@%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442@%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/b6157be1a09df332294213bd21e90dcf9fe4c1810193be54620e4210%40%3Cusers.kafka.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/b6157be1a09df332294213bd21e90dcf9fe4c1810193be54620e4210@%3Cusers.kafka.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc@%3Cissues.drill.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2017-12610
- https://www.cve.org/CVERecord?id=CVE-2017-12610
- https://www.oracle.com/security-alerts/cpujul2020.html x_refsource_MISC
Change history (0)
No recorded changes yet.